# Developer Guides

- [API](/id-02-documentation/developer-guides/api-overview.md): An Overview of the Different APIs
- [Authentication](/id-02-documentation/developer-guides/api-overview/authentication.md): How to Retrieve Access Tokens to Gain Access to the API
- [Postman](/id-02-documentation/developer-guides/api-overview/postman.md): A Short Tutorial On How to Use Squidex with Postman.
- [Queries](/id-02-documentation/developer-guides/api-overview/api.md): How to Query Content with Filters, Sorting and Pagination
- [Assets](/id-02-documentation/developer-guides/api-overview/assets-api.md): How to Use the Assets API to Resize Images
- [Automation Tools (CLI)](/id-02-documentation/developer-guides/automation-tools.md): The Squidex CLI (Command Line Interface) Tool Helps Automate Administration Processes
- [Scripting](/id-02-documentation/developer-guides/scripting.md): Learn How to Use Scripting to Implement More Validation and Security Solutions
- [Scripting Helper Methods](/id-02-documentation/developer-guides/scripting/scripting-helper-methods.md): Helper Methods for Scripting
- [Embed Content](/id-02-documentation/developer-guides/embed-content.md): Learn to Embed Content to Unstructured Text Such as Markdown or Rich-Text to Close the Gap Between Unstructured Content and Structured Content
- [Custom Workflows](/id-02-documentation/developer-guides/workflows.md): Write Advanced Workflows with Scripting
- [Custom Editors](/id-02-documentation/developer-guides/editors.md): Build and Use Custom Editors to Support Your Content Editors
- [Custom Sidebars](/id-02-documentation/developer-guides/custom-sidebars.md): Build and Use Custom Sidebar Extensions to Support your Editorial Workflow
- [Preview Content](/id-02-documentation/developer-guides/preview.md): Provide a Live Preview on Your Website for Your Content Editors.
- [Rule Formatting](/id-02-documentation/developer-guides/rule-formatting.md): How to Use Scripting or Placeholders to Control the Output of Rules
- [Simple](/id-02-documentation/developer-guides/rule-formatting/simple.md): How to Format Rules with a Custom-Built Solution for Basic Use Cases
- [Script](/id-02-documentation/developer-guides/rule-formatting/script.md): How to Format Rules with JavaScript Expressions
- [Liquid](/id-02-documentation/developer-guides/rule-formatting/liquid.md): How to Format Rules with Liquid Templates.
- [Tutorials](/id-02-documentation/developer-guides/tutorials.md): Read our Useful Tutorials
- [Building a Blog with Squidex and Next.js](/id-02-documentation/developer-guides/tutorials/building-a-nextjs-blog-with-squidex.md): How to Build a Next.js Blog Powered by Content From the Squidex CMS